21000859232

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21170221}}^1$

素因数の和:21170262

約数の個数: 24

約数和(自身を含む): 42679167552

約数和(自身を除く): 21678308320

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21170221, 42340442, 84680884, 169361768, 338723536, 656276851, 677447072, 1312553702, 2625107404, 5250214808, 10500429616, 21000859232]

約数ペア:

[(1, 21000859232), (2, 10500429616), (4, 5250214808), (8, 2625107404), (16, 1312553702), (31, 677447072), (32, 656276851), (62, 338723536), (124, 169361768), (248, 84680884), (496, 42340442), (992, 21170221)]